CVE-2026-48821

Shaarli versions ≤ 0.16.1 are affected by a DOM-based XSS in the Thumbnail Synchronizer. The ThumbnailsController::ajaxUpdate backend returns unescaped bookmark titles in JSON via an AJAX response, which are injected into the DOM by thumbnails-update.js using innerHTML. This requires an administr...

PT-2026-50543

Shaarli is a personal bookmarking service. Versions 0.16.1 and prior contain a DOM-based Cross-Site Scripting XSS vulnerability in the Thumbnail Synchronizer feature. When an administrator runs the thumbnail update process, malicious bookmark titles are returned via an AJAX response and inserted...